drm/ttm: also export ttm_bo_vm_fault v2

That is needed by at least a cleanup in radeon.

v2: also export ttm_bo_vm_access

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/339353/

diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index 91466cf..e6495ca 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -308,7 +308,7 @@ out_io_unlock:
 }
 EXPORT_SYMBOL(ttm_bo_vm_fault_reserved);
 
-static vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf)
+vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf)
 {
        struct vm_area_struct *vma = vmf->vma;
        pgprot_t prot;
@@ -328,6 +328,7 @@ static vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf)
 
        return ret;
 }
+EXPORT_SYMBOL(ttm_bo_vm_fault);
 
 void ttm_bo_vm_open(struct vm_area_struct *vma)
 {
@@ -387,8 +388,8 @@ static int ttm_bo_vm_access_kmap(struct ttm_buffer_object *bo,
        return len;
 }
 
-static int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
-                           void *buf, int len, int write)
+int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
+                    void *buf, int len, int write)
 {
        unsigned long offset = (addr) - vma->vm_start;
        struct ttm_buffer_object *bo = vma->vm_private_data;
@@ -424,6 +425,7 @@ static int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
 
        return ret;
 }
+EXPORT_SYMBOL(ttm_bo_vm_access);
 
 static const struct vm_operations_struct ttm_bo_vm_ops = {
        .fault = ttm_bo_vm_fault,

diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index e8b0f0c..66ca49d 100644 (file)
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -734,7 +734,13 @@ vm_fault_t ttm_bo_vm_fault_reserved(struct vm_fault *vmf,
                                    pgprot_t prot,
                                    pgoff_t num_prefault);
 
+vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf);
+
 void ttm_bo_vm_open(struct vm_area_struct *vma);
 
 void ttm_bo_vm_close(struct vm_area_struct *vma);
+
+int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
+                    void *buf, int len, int write);
+
 #endif